Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f8d6731df298cc4c91cdcccbc8e409ae7309acd3d24248a855ba552a8f8932ff:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^